Thanks to its particularly grippy sole and the climbing zone in the toe area, which are suitable for use on the wall, the Boulder X is particularly suitable for technical approaches and via ferratas. Upper in chamois leather with all-round protective rubber rand for maximum protection against wear and tear during the climbing phase. Patented lacing system derived from the Mythos climbing shoe project. Both the fit and the lacing system are asymmetrical. Design to improve grip in the climbing phase and Impact Brake System for more support on the descent. Insert in soft Eva 2 mm with anti-shock properties.Impact Brake SystemInnovative system attached to the sole that absorbs the impact, helps when going uphill and prevents slipping when going downhill. Designed and developed in the research and development centre.